Psychologist Dinah Moe Asks Each Individual to Take Several Tests

question 110

Multiple Choice

Psychologist Dinah Moe asks each individual to take several tests of specialized intellectual abilities, such as arithmetic, mechanical ability, logical reasoning, and spatial reasoning. Then she measures the correlation between performance on one test and performance on another test. What is she probably trying to determine?

• A) whether or not Spearman's concept of a "g" factor is correct
• B) whether or not IQ tests have high utility
• C) the extent to which heredity and environment influence intelligence
• D) whether or not Cattell's concept of fluid and crystallized intelligence is correct

---

Definitions:

Relative Purchasing Power

A concept that compares the ability of entities to buy the same goods or services with a specific amount of currency in different environments or time periods.

Parity

In finance, parity refers to the equality of two or more securities, rates, or related financial instruments in terms of price or value.

Absolute Purchasing Power Parity

A theory that suggests that prices of goods and services should equalize across countries over time when measured in a common currency, due to exchange rate changes.

Silver

A precious metal used for currency, jewelry, and industrial applications.